Louvered grating or similar article



FIG. 1 is a front perspective view of a louvered grating or similar article, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view of a second embodiment of a louvered grating or similar article;

FIG. 4 is a front elevational view of a third embodiment of a louvered grating or similar article. 

The ornamental design for a louvered grating or similar article, substantially as shown and described. 